Syntax:DsDeque::__ construct ($values)
Parameters:This function takes one parameter
$values,which contains a float or array to use for initial values.The following programs illustrate the
Ds / Deque::__ construct()function in PHP:
Program 1:
// Declare deque
$deq
=
new
DsDeque();
// Show deque elements
echo
(
"Elements of first deque:"
);
var_dump (
$deq
);
// Declare deque
$deq
=
new
DsDeque ([10, 20, 30, 40, 50, 60]);
// Show deque elements
echo
(
"Elements of second deque:"
);
var_dump (
$deq
);
?>
Exit:Elements of first deque: object (DsDeque) # 1 (0) {} Elements of second deque: object (DsDeque) # 2 (6) {[0] = > int (10) [1] = > int (20) [2] = > int (30) [3] = > int (40) [4] = > int (50) [5] = > int (60)}
Program 2:
// Declare deque
$deq
=
new
DsDeque ([
"engineer"
,
"for"
,
"engineer"
]);
// Show deque elements
echo
(
"Elements of first deque:"
);
print_r (
$deq
);
// Declare deque
$deq
=
new
DsDeque ([
’G’
,
’ E’
,
’E’
,
’ K ’
,
’ S’
, 1, 2, 3]);
// Show deque elements
echo
(
"Elements of second deque:"
);
print_r (
$deq
);
?>
Exit:Elements of first deque: DsDeque Object ([0] = > engineer [1] = > for [2] = > engineer) Elements of second deque: DsDeque Object ([0] = > G [1] = > E [ 2] = > E [3] = > K [4] = > S [5] = > 1 [6] = > 2 [7] = > 3)
Link: https://www.php.net/manual/en/ds- deque.construct.php